Wolseley Six-Ninety Series II & III (1956-58)

Wolseley Six-Ninety Series II & III (1956-58)

The Car

Coming soon

The Specs

Below are the technical specifications and any performance numbers we could get.


Bore & Stroke 79.375mm x 88.9mm
Displacement 2639cc
Firing order 1,5,3,6,2,4
Oil pressure (hot) 55 lb./sq. in.


Fuel Supply

Carburetor SU H4
Bore 1½”
Main Jet 0.090″
Standard No. 1
Rich TB
Weak No. 2


Intake tappet clearance 0.012″ (hot)
Exhaust tappet clearance 0.012″ (hot)
Valve-timing indication Chain links and marks on timing wheels
Intake valve opens 5° BTDC (TDC at 0.030″ clearance)


Breaker gap 0.014″ – 0.016″
Plug gap 0.025″
Ignition timing indication Pulley and timing cover
Ignition timing TDC



Clutch type Borg & Beck Single Dry Plate
Clutch linings Wound yarn


Brake type Lockheed Hydraulic
Brake linings Series II: Ferodo DM8, later: DM52
Series III: DON R7

Wheel Alignment

Toe-In Parallel
Caster angle
King pin angle